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51问答网 > 括号4⼀5+1⼀4，括号，除以7⼀3+7⼀10。

括号4⼀5+1⼀4，括号，除以7⼀3+7⼀10。

2025-03-15 07:43:31

推荐回答（2个）

回答1：

（4/5+1/4）/7/3+7/10
=（16/20+5/20）/7/3+7/10
=21/20*3/7+7/10
=9/20+7/10
=9/20+14/20
=23/20

回答2：

解：（4/5+1/4）÷（7/3+7/10）
＝（16/20+5/20）÷（7/3+7/10）
＝21/20÷7/3+21/20÷7/10
＝21/20×3/7+21/20×7/10
＝9/20+147/200
＝90/200+147/200
＝237/200

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